/* ========== OUR APP - HERO ========== */
.oa-hero {
  position: relative;
  padding: 100px 0 70px;
  overflow: hidden;
  background: linear-gradient(135deg, #1a0040 0%, #5711EC 50%, #3a0099 100%);
  text-align: center;
}

.oa-hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  margin: 0 auto;
}

.oa-hero h1 {
  font-size: clamp(2rem, 4.5vw, 3rem);
  font-weight: 800;
  line-height: 1.2;
  color: #ffffff;
  margin-bottom: 20px;
}

.oa-hero h1 .highlight {
  background: linear-gradient(135deg, #c9a0ff, #ffffff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.oa-hero-desc {
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.75;
  max-width: 680px;
  margin: 0 auto 32px auto;
}

/* ========== PLATFORMS GRID ========== */
.oa-platforms-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.oa-platform-card {
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  transition: all var(--transition);
}

.oa-platform-card:hover {
  border-color: rgba(87, 17, 236, 0.2);
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.oa-platform-icon {
  width: 56px;
  height: 56px;
  background: var(--primary-bg);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px auto;
  color: var(--primary);
}

.oa-platform-icon svg {
  width: 28px;
  height: 28px;
}

.oa-platform-card h3 {
  font-size: 1.1rem;
  margin-bottom: 6px;
  color: var(--text-dark);
}

.oa-platform-card p {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 18px;
}

.oa-platform-card .btn {
  width: 100%;
}

/* ========== TABS ========== */
.oa-tabs {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.oa-tab {
  padding: 10px 24px;
  border: 2px solid var(--border-light);
  border-radius: 100px;
  background: var(--bg-white);
  color: var(--text-dark);
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
}

.oa-tab:hover {
  border-color: rgba(87, 17, 236, 0.3);
}

.oa-tab.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #ffffff;
}

.oa-tab-content {
  display: none;
}

.oa-tab-content.active {
  display: block;
}

/* ========== STEPS ========== */
.oa-steps {
  max-width: 700px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.oa-step {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: all var(--transition);
}

.oa-step:hover {
  border-color: rgba(87, 17, 236, 0.2);
  box-shadow: var(--shadow-md);
}

.oa-step-number {
  width: 40px;
  height: 40px;
  min-width: 40px;
  background: var(--primary);
  color: #ffffff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.1rem;
}

.oa-step-body h3 {
  font-size: 1.05rem;
  margin-bottom: 8px;
  color: var(--text-dark);
}

.oa-step-body p {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.65;
}

.oa-step-body a {
  color: var(--primary);
  text-decoration: underline;
}

.oa-step-cta {
  text-align: center;
  margin-top: 32px;
}

/* ========== PROMO ========== */
.oa-promo-section {
  background: linear-gradient(135deg, #1a0040 0%, #5711EC 50%, #3a0099 100%);
}

.oa-promo-card {
  text-align: center;
  padding: 60px 40px;
  max-width: 600px;
  margin: 0 auto;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-lg);
}

.oa-promo-badge {
  display: inline-block;
  background: rgba(255, 200, 50, 0.2);
  color: #ffd54f;
  padding: 4px 16px;
  border-radius: 100px;
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 20px;
}

.oa-promo-card h2 {
  color: #ffffff;
  font-size: 1.8rem;
  margin-bottom: 10px;
}

.oa-promo-card > p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 1rem;
  margin-bottom: 24px;
}

.oa-promo-price {
  margin-bottom: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
}

.oa-price-old {
  font-size: 1.6rem;
  color: rgba(255, 255, 255, 0.45);
  text-decoration: line-through;
  font-weight: 600;
}

.oa-price-new {
  font-size: 3rem;
  color: #ffffff;
  font-weight: 800;
}

/* ========== HELP CTA ========== */
.oa-help-section {
  padding: 60px 0;
}

.oa-help-card {
  text-align: center;
  max-width: 550px;
  margin: 0 auto;
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 48px 32px;
  box-shadow: var(--shadow-md);
}

.oa-help-card h3 {
  font-size: 1.4rem;
  margin-bottom: 12px;
  color: var(--text-dark);
}

.oa-help-card > p {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 24px;
}

.oa-help-avail {
  display: block;
  margin-top: 14px;
  font-size: 0.82rem;
  color: var(--text-light);
}

/* ========== RESPONSIVE ========== */
@media (max-width: 1024px) {
  .oa-platforms-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .oa-hero {
    padding: 70px 0 50px;
  }

  .oa-platforms-grid {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin: 0 auto;
  }

  .oa-tab {
    padding: 8px 16px;
    font-size: 0.85rem;
  }

  .oa-step {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .oa-promo-card {
    padding: 40px 24px;
  }

  .oa-promo-card h2 {
    font-size: 1.4rem;
  }

  .oa-price-new {
    font-size: 2.4rem;
  }

  .oa-help-card {
    padding: 36px 24px;
  }
}